Pith Number

pith:LWY6N3JI

pith:2026:LWY6N3JIM3XDBMIBOLGUCFZYRU

not attested not anchored not stored refs pending

On-Chip Quantum Randomness Amplification

Giulio Chiribella, Lang Li, Ravishankar Ramanathan, Yutian Wu

arxiv:2606.12173 v1 · 2026-06-10 · quant-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LWY6N3JIM3XDBMIBOLGUCFZYRU}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-06-11T01:10:52.436215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5db1e6ed2866ee30b10172cd4117388d2aea8b0bfcfadc380d4a772d6ef47dc1

Aliases

arxiv: 2606.12173 · arxiv_version: 2606.12173v1 · doi: 10.48550/arxiv.2606.12173 · pith_short_12: LWY6N3JIM3XD · pith_short_16: LWY6N3JIM3XDBMIB · pith_short_8: LWY6N3JI

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/LWY6N3JIM3XDBMIBOLGUCFZYRU \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 5db1e6ed2866ee30b10172cd4117388d2aea8b0bfcfadc380d4a772d6ef47dc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d669c42114a2079d133cac3d2784122da74eea04e94d52fd8e97b850714e87b1",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-10T15:01:55Z",
    "title_canon_sha256": "a2cf2faffb58b9b39d8322b35c005e0e5d5d284d40dc1fe6614d9e62014c39db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.12173",
    "kind": "arxiv",
    "version": 1
  }
}